#3188AD#3188AD

#3188AD is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.1% C 0.099 H 230.2°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#3188AD
RGB	rgb(49, 136, 173)
HSL	hsl(198, 56%, 44%)
HSV	hsv(198, 72%, 68%)
CMYK	cmyk(71.7%, 21.4%, 0%, 32.2%)
CIE-LAB	lab(53.25, -13.45, -27.00)
CIE-LCH	lch(53.25, 30.16, 243.52°)
OKLab	oklab(59.12% -0.0632 -0.0758)
OKLCH	oklch(59.12% 0.099 230.2)
XYZ	xyz(17.6106, 21.2764, 42.7057)
Luminance	0.2128 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3188AD #AD5631

analogous

#31AD94 #3188AD #314AAD

triadic

#3188AD #AD3188 #88AD31

tetradic

#3188AD #9431AD #AD5631 #4AAD31

square

#3188AD #9431AD #AD5631 #4AAD31

split-complementary

#3188AD #AD314A #AD9431

monochromatic

#163D4E #23637D #3188AD #4EA7CD #7EBFDA

Accessibility & contrast

On white

4.00

#3188AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#3188AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3188AD

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3188AD	#FFFFFF	#000000	##000000
##3188AD	1.00	4.00	5.26	5.26
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7586AF

Deuteranopia (green-blind)

#647AAC

Tritanopia (blue-blind)

#009294

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3188ad;
/* rgb */ color: rgb(49, 136, 173);
/* oklch */ color: oklch(59.1% 0.099 230.2);

Tailwind

colors: {
  custom: {
    50: '#79aac5',
    500: '#3188ad',
    950: '#000000',
  },
}

SCSS

$custom: #3188ad;
$custom-light: #79aac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3188ad",
  "rgb": {
    "r": 49,
    "g": 136,
    "b": 173
  },
  "hsl": {
    "h": 197.903,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.59123,
    "c": 0.09869,
    "h": 230.2
  },
  "luminance": 0.21278
}

Semantic roles & 50–950 ramp

primary

#3188AD

secondary

#C38D77

accent

#7649DF

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #3188AD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →